Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham cua da snippets" » "pham cua code snippets", "pham ca da snippets", "phat cua da snippets", "ham cua da snippets", "pham cua dan snippets", "pham cua dai snippets", "pham cua dam snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("pham cua da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham cua da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pham cua da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham cua da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.